19,133 Answered Questions for the topic Algebra

Algebra

07/07/21

What are the first four terms of the sequence shown below? an = 2n A. 1, 2, 4, 8 B. 2, 4, 6, 8 C. 2, 4, 8, 16 D. 1, 8, 27, 256
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Algebra

07/07/21

(2B.19) What is the rule for the nth term, an, when the first 4 terms of the sequence are 4, 16, 64, 256? A. an=(‒4)n‒ 1 B. an=4n C. an=4n‒ 1 D. an=4n
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Algebra

07/07/21

What are the first four terms of the sequence shown below? an = n3 + n2 A. 1, 2, 3, 4 B. 1, 12, 15, 20 C. 2, 12, 36, 80 D. 5, 10, 15, 18
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07/07/21

(2B.16) If an = n(n+2), what is a9? 20 99 108 120
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07/07/21

What are the first four terms of the sequence shown below? an = 5n ‒ 1 A. ‒1, 4, 9, 14 B. 4, 9, 14, 19 C. 5, 6, 7, 8 D. 6, 11, 16, 21
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07/07/21

(2B.14) If a1 = 5 and r = ‒3, write the first four terms of the geometric sequence. A. 5, 15, 45, 135 B. 5, ‒15, 45, ‒135 C. 5, ‒10, 15, ‒20 D.

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07/07/21

(2B.2) Write the first four terms of an arithmetic sequence whose first term is ‒14 and whose common difference is 10. A. ‒14, ‒ 4, 6, 16 B. 10, 14, 18, 22 C.‒14, ‒24, ‒34, ‒44 D.‒14, ‒10, ‒6, ‒2
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Algebra Geometry

07/07/21

A pool related Geometry question?
Hi, my question is if a pool is enclosed by a circular tank. The distance from the center of the pool to the wall of the tank is 10 feet. How long is the wall of the tank in feet?
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07/07/21

The phone company NextFell has a monthly cellular plan whera customer pays a flat monthly fee and then a certain amount of money per minute used on the phone.
The phone company NextFell has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 500 minutes, the... more
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07/07/21

Given the function f(x) = 3 + 3x^2
f(a)=f(a+h)=  f (a+h)−f (a)/h
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07/07/21

How would I solve this on the interval?
How would I solve this equation on the interval? I know to subtract something but after that I am lost.4 csc 𝑥 + sin 𝑥 + 5 = 0
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Algebra College Algebra

07/07/21

The area of a rectangle is 35ft^2 , and the length of the rectangle is 3 ft more than twice the width. Find the dimensions of the rectangle.
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Algebra Math Algebra 2

07/06/21

Simplify and show work plz
z2+2z-35/(z-2)(z-5) •-z2-7z+18/(z+7)2
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Algebra

07/06/21

Which inequality can be used to find all possible widths of the room?
In a floor plan, the length, l, of a rectangular room is twice its width, w. The perimeter of the room must be greater than 72 feet. Which inequality can be used to find all possible widths of the... more
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07/06/21

Need help with several math problems. Thank you!
f(x) = x^5-7x^4+19x^3-27x^2+20x-6f(x) = x^3-5x^2+11x-15(2x^3-x^2+x-3) / (x^2+3x-2)Thank you!
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Algebra Math

07/06/21

Compound Interest
How long will it take for $10,000 to triple in value at 7.5% annual interest compounded continuously?1.) Using the model    A(t)=Pe^rt   show your initial set-up with all known values... more
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07/05/21

I NEED HELP SOON PLEASE
A supply company manufactures copy machines. The unit cost C (the cost in dollars to make each copy machine) depends on the number of machines made. If x machines are made, then the unit cost is... more
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07/05/21

HELP ME SOON PLEASE!!!!
A gardener will use up to 240 square feet for planting flowers and vegetables. He wants the area used for vegetables to be at least twice the area used for flowers. Let x denote the area (in square... more
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07/05/21

HELP ME SOON PLEASE

A chemical company makes two brands of antifreeze. The first brand is 20% pure antifreeze, and the second brand is 45% pure antifreeze. In order to obtain 80 gallons of a mixture that... more
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Algebra

07/05/21

Billy has a savings account and has written a function for the balance of the account f(t)=20t + 40, where t is the time in weeks from today and f(t) represents the balance?
Billy has a savings account and has written a function for the balance of the account f(t)=20t + 40, where t is the time in weeks from today and f(t) represents the balance of the account as a... more
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Algebra

07/05/21

Rational expression
Consider the following situation. If a number is added to the numerator of 5/7 and the same number is subtracted from the denominator, the result is 3. Let x represent the unknown number. Write... more
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Algebra Math

07/05/21

The difference between two numbers is 1, and the sum of their squares is 141. What is the product of the numbers?
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Algebra Math

07/05/21

The difference between two numbers is 1, and the sum of their squares is 141. What is the product of the numbers?
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Algebra

07/05/21

Find an equation of the parabola that has a focus at (2,13) vertex (2,7)
Find an equation of the parabola that has a focus at (2,13) vertex (2,7)y=Find an equation directix:y=
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Algebra

07/05/21

What’s the answers

Suppose y varies directly with x and inversely with z. When x=33 and z=3, then y=11. Find the constant of variation and the equation of combined variation
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